💪 GPU Battle #31 RTX 5070 Ti vs RTX 4080 💪
GPU Battle #31 — RTX 5070 Ti vs RTX 4080
The RTX 5070 Ti is NVIDIA’s 2025 upper-mid-range Blackwell card — 16 GB GDDR7, DLSS 4, and a price aimed at the $749–799 bracket. The RTX 4080 is NVIDIA’s 2022 high-end Ada Lovelace card — 16 GB GDDR6X, DLSS 3, and once the second-fastest GPU on the market. Now that the 4080 is discontinued and only available used, the comparison is really new-with-warranty versus used-with-risk. Performance is close; the deciding factors are pricing, features, and power efficiency.
Short version: The RTX 5070 Ti is the better buy at MSRP — newer architecture, DLSS 4 with multi-frame generation, GDDR7, and lower power draw. The RTX 4080 is only worth it used at a significant discount.
Specs
The RTX 5070 Ti is Blackwell on TSMC 4N — 8,960 CUDA cores, 16 GB GDDR7 on a 256-bit bus, 300W TGP, PCIe 5.0. It supports DLSS 4 with multi-frame generation, and its RT hardware is a generation newer than Ada.
The RTX 4080 is Ada Lovelace on TSMC 4N — 9,728 CUDA cores, 16 GB GDDR6X on a 256-bit bus, 320W TGP, PCIe 4.0. It supports DLSS 3 with single-frame generation, and its RT hardware is second-gen.
| Spec | RTX 5070 Ti | RTX 4080 |
|---|---|---|
| Architecture | Blackwell | Ada Lovelace |
| CUDA cores | 8,960 | 9,728 |
| VRAM | 16 GB GDDR7 | 16 GB GDDR6X |
| Bus | 256-bit | 256-bit |
| TGP | 300W | 320W |
| PCIe | 5.0 | 4.0 |
| Upscaling | DLSS 4 (multi-frame gen) | DLSS 3 (single-frame gen) |
| Launch price | $749 | $1,199 |
The 4080 has more CUDA cores but an older architecture. The 5070 Ti has fewer cores but a newer design and faster memory. The 4080’s original MSRP was much higher — but used prices have dropped significantly.
Rasterization
In pure rasterization, the two cards are close. The RTX 4080 is roughly 5–10% faster at 1440p and 4K in most benchmarks. Its wider core count and higher memory bandwidth give it a small edge in traditional rendering.
The 5070 Ti compensates with architectural improvements and faster GDDR7 memory, but it doesn’t quite match the 4080 in raw raster. At 1440p and 4K, the difference is small enough that most users wouldn’t notice.
For pure raster, the 4080 is slightly ahead.
Ray tracing
Ray tracing favors the 5070 Ti. Blackwell’s fourth-gen RT cores are more efficient than Ada’s third-gen, and the 5070 Ti leads the 4080 by 5–15% in RT-heavy titles. In path-traced games, the gap is larger.
The 4080 remains a strong RT card — it was one of the best when it launched — but the newer architecture has caught up and passed it in this specific workload.
For ray tracing, the 5070 Ti is the better card.
VRAM and memory
Both cards have 16 GB, which is plenty for 1440p and adequate for 4K in most titles. The 5070 Ti’s GDDR7 memory is faster — 28 Gbps versus 22.4 Gbps on the 4080 — which helps in memory-bandwidth-heavy workloads.
Neither card will run into VRAM limits at 1440p. At 4K with high textures, 16 GB is sufficient for most games, though a few path-traced titles can push past it.
The 5070 Ti has a slight memory advantage thanks to GDDR7.
Power and thermals
The 5070 Ti draws 300W; the 4080 draws 320W. The difference is small, and both are power-hungry cards that need good cooling and a quality 750W+ PSU.
Efficiency is comparable. Neither is a low-power card, but Blackwell is slightly more efficient per frame in most workloads.
For SFF builds or quiet systems, neither is ideal — both are high-draw cards.
Features
This is where the 5070 Ti pulls ahead clearly. DLSS 4 with multi-frame generation is exclusive to Blackwell — it can generate up to three additional frames per rendered frame, dramatically increasing perceived smoothness in supported titles. DLSS 3 on the 4080 supports single-frame generation only.
The 5070 Ti also supports newer display standards, including DisplayPort 2.1b, and has newer NVENC encoding capabilities. For content creators, these matter.
The 4080 still has DLSS 3, which is excellent — but it’s a generation behind in feature support.
Price and value
New at $749–799, the 5070 Ti is a solid value — it’s within striking distance of the 4080 in raster, ahead in RT, and has newer features and a warranty.
Used at $700–850, the 4080 is a tougher sell. It’s slightly faster in raster, but it’s older, has fewer features, and comes with no warranty. At $700 it’s a reasonable buy; above $800, the 5070 Ti is the better choice.
The 4080’s original MSRP was $1,199 — much higher than the 5070 Ti. But that doesn’t matter now — what matters is the current market price.
The verdict
The RTX 5070 Ti is the better card for most buyers. It matches or slightly trails the 4080 in raster, leads in ray tracing, has newer features with DLSS 4, and comes with a warranty. At MSRP, it’s the obvious choice.
The RTX 4080 is only worth considering used at a significant discount. If you find one under $700, it’s a capable card — slightly faster in raster than the 5070 Ti, with a proven track record. Above that price, the 5070 Ti wins.
Short version:
Choose the RTX 5070 Ti if you’re buying new, want DLSS 4, better ray tracing, and a warranty at a fair price.
Choose the RTX 4080 if you find it used under $700 and want slightly better raw rasterization without needing the newest features.
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